This is the syntax highlighted version of FunctionGrowth.java.
/*************************************************************************
* Compilation: javac FunctionGrowth.java
* Execution: java FunctionGrowth
*
* Print out ln N, N, N log N, N^2, N^3 for N = 2, 4, 8, ..., 2048.
*
* % java FunctionGrowth
* log N N N log N N^2 N^3
* 0 2 1 4 8
* 1 4 5 16 64
* 2 8 16 64 512
* 2 16 44 256 4096
* 3 32 110 1024 32768
* 4 64 266 4096 262144
* 4 128 621 16384 2097152
* 5 256 1419 65536 16777216
* 6 512 3194 262144 134217728
* 6 1024 7097 1048576 1073741824
* 7 2048 15615 4194304 8589934592
*
*************************************************************************/
public class FunctionGrowth {
public static void main(String[] args) {
System.out.println("log N \tN \tN log N\tN^2 \tN^3");
for (long i = 2; i <= 2048; i *= 2) {
System.out.print((int) Math.log(i));
System.out.print('\t'); // tab character
System.out.print(i);
System.out.print('\t');
System.out.print((int) (i * Math.log(i)));
System.out.print('\t');
System.out.print(i * i);
System.out.print('\t');
System.out.print(i * i * i);
System.out.println();
}
}
}
Last updated: Wed Feb 11 18:07:23 EST 2004
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Copyright © 2004, Robert Sedgewick and Kevin Wayne.